CN218866922U - Electric shock prevention socket - Google Patents

Abstract

The utility model provides an electric shock prevention socket, which comprises a shell; the plug bush is arranged in the shell; the relay is arranged inside the shell; the relay is arranged between the plug bush and the wiring terminal, and the plug bush and the wiring terminal are communicated or disconnected through the relay; the electric capacity response module, electric capacity response module install in the inside of casing, and electric capacity response module is including the response sheetmetal and the electric capacity response chip of electricity connection at least, and the response sheetmetal setting is in one side of plug bush, and electric capacity response chip is connected with the relay electricity. The utility model provides a protection against electric shock socket can improve the security of socket among the prior art.

Description

Electric shock prevention socket

Technical Field

The utility model relates to a relevant technical field of socket particularly, relates to an electric shock prevention socket.

Background

In building engineering or all kinds of decorations, the socket is essential electrical accessories, has three binding post on the socket, fixes the cable in binding post through fastening screw, and the mode is as follows: the live wire terminal is connected with the live wire, the null wire terminal is connected with the null wire, the ground wire terminal is connected with the ground wire, and after the cable is electrified, the plug bush in the socket is electrified. A user inserts a plug pin of a plug (two-plug or three-plug) into a corresponding socket, the plug pin can push the protective door open, and finally the plug pin is inserted into the plug bush to finish power taking.

In order to ensure the electricity-taking safety of users, the socket specified by the national standard of the socket has to have a function of preventing insertion of a single pole, and particularly, children are curious about holes, namely, the users cannot insert conductive objects such as metal sheets/rods into jacks when using the socket, so that electric shock accidents are finally caused, and the life safety of the users is protected.

The sockets on the market today are classified into ordinary mechanical sockets and smart sockets. The mechanical socket completely uses the protective door to carry out safe electricity taking protection; the intelligent socket carries out load electricity taking through an external switch and an APP.

In very special circumstances, if the user uses tweezers or other 2 metallic structure to insert live wire jack and zero line jack simultaneously, can open the shutter, metal and plug bush contact cause the user to electrocute.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an anti-electric shock socket to further improve the safety of the socket.

In order to achieve the above object, according to an aspect of the present invention, there is provided an electric shock preventing socket. The electric shock prevention socket comprises a shell; the plug bush is arranged in the shell; the relay is arranged inside the shell; the relay is arranged between the plug bush and the wiring terminal, and the plug bush and the wiring terminal are connected or disconnected through the relay; the capacitor induction module is installed in the shell and at least comprises induction metal sheets and capacitor induction chips, wherein the induction metal sheets are electrically connected with the capacitor induction chip, the induction metal sheets are arranged on one side of the plug bush, and the capacitor induction chip is electrically connected with the relay.

Furtherly, the plug bush has live wire plug bush and zero line plug bush, and the response sheetmetal setting is between zero line plug bush and live wire plug bush.

Further, the plug bush has the live wire plug bush, and binding post has live wire binding post, and the relay setting is between live wire plug bush and live wire binding post.

Furthermore, the electric shock preventing socket also comprises a power supply module, wherein the power supply module is used for supplying power to the relay and the capacitance induction module; the switch is arranged between the capacitance sensing module and the power supply module and is used for controlling whether the power supply module supplies power to the capacitance sensing module; the protective door is movably arranged on the shell in position and used for triggering the switch.

Furthermore, the protective door comprises a shielding part, the shielding part is connected with the shell in a sliding manner, and the shielding part shields or avoids the jack on the shell; the one end and the casing of elasticity portion are connected, and the other end and the occlusion part of elasticity portion are connected, and the elasticity portion provides drive power for the position that occlusion part is in the occlusion jack.

Furthermore, the shielding part is provided with an avoiding channel, and when the shielding part avoids the jack, the avoiding channel is aligned with at least one jack.

Furthermore, a through hole is formed in the shell, the switch and the through hole are arranged in an aligned mode, and at least one part of the switch extends out of the through hole.

Further, the switch is a rocking handle switch, the bottom surface of the protective door is an abutting surface, and the abutting surface abuts against the rocking handle switch and drives the rocking handle switch to move or is separated from the rocking handle switch.

Furthermore, the shell comprises a rear seat, the wiring terminal is mounted on the rear seat, one end of the wiring terminal is electrically connected with the relay through a wire, and the other end of the wiring terminal is used for being connected with an external cable; the pressing plate is arranged on the rear seat, the pressing plate and the rear seat are matched to enclose an accommodating cavity, and the plug bush, the switch of the electric shock prevention socket, the power supply module of the electric shock prevention socket, the capacitance sensing module and the relay are all arranged in the accommodating cavity; wherein, the pressing plate is provided with a jack, and the plug bush and the jack are arranged in an alignment way.

Furthermore, a first guide piece is arranged on the pressing plate, a second guide piece is arranged on the protective door shielding portion, one of the first guide piece and the second guide piece is a guide groove, the other guide piece is a guide protrusion, and the guide protrusion is in sliding fit with the guide groove.

Use the technical scheme of the utility model, the electric shock prevention socket of this application includes the casing, the plug bush, the relay, binding post and electric capacity response module, the plug bush is installed in the casing, the relay sets up the inside at the casing, the relay sets up between plug bush and binding post, plug bush and binding post pass through relay intercommunication or disconnection, electric capacity response module installs the inside at the casing, electric capacity response module is at least including the response sheetmetal and the electric capacity response chip of electricity connection, the setting of response sheetmetal is in one side of plug bush, electric capacity response chip is connected with the relay electricity.

According to the anti-electric-shock socket, the induction metal sheet is arranged on one side of the plug bush, induction is achieved through the induction metal sheet, after a human body inserts metal into the plug bush, the induction metal sheet is matched with the capacitance induction chip to detect capacitance frequency, when the capacitance frequency is detected, the relay is controlled to be disconnected, so that the circuit between the plug bush and the wiring terminal is disconnected, and at the moment, the plug bush is not electrified to achieve the anti-electric-shock effect; when the change of the capacitance frequency cannot be detected, the plug bush and the wiring terminal are conducted through the relay to realize power supply.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an electric shock preventing socket according to the present invention;

fig. 2 is a schematic diagram showing the internal structure of the electric shock preventing socket of the present invention;

fig. 3 shows a schematic structural diagram of the circuit board of the present invention;

fig. 4 shows an exploded view of the installation relationship of the circuit board of the present invention;

fig. 5 shows a schematic structural view of the pressing plate of the present invention;

fig. 6 shows a schematic connection relationship diagram of the electric shock preventing socket of the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 110. pressing a plate; 111. a via hole; 120. a jack; 20. an induction metal sheet; 310. a live wire plug bush; 320. a zero line plug bush; 410. a live wire connecting terminal; 420. a zero line connecting terminal; 50. a capacitive sensing chip; 60. a switch; 70. a power supply module; 80. a protective door; 810. an elastic part; 820. a shielding portion; 821. avoiding the channel; 90. a circuit board.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional terms such as "upper, lower, top, bottom" generally refer to the orientation as shown in the drawings, or to the component itself being oriented in a vertical, perpendicular, or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

Example 1

In order to further improve the security of socket, the utility model provides a protection against electric shock socket.

As shown in fig. 1 to 6, the electric shock preventing socket includes a housing 10, a plug bush, a relay, a connection terminal and a capacitance sensing module, the plug bush is installed in the housing 10, the relay is arranged between the plug bush and the connection terminal, the plug bush and the connection terminal are connected or disconnected through the relay, the capacitance sensing module is installed in the housing 10, the capacitance sensing module at least includes a sensing metal sheet 20 and a capacitance sensing chip 50 which are electrically connected, the sensing metal sheet 20 is arranged on one side of the plug bush, and the capacitance sensing chip 50 is electrically connected with the relay.

Specifically, the anti-electric shock socket realizes induction through the induction metal sheet 20 by arranging the induction metal sheet 20 on one side of the plug bush, after a human body inserts metal into the plug bush, the induction metal sheet 20 is matched with the capacitance induction chip 50 to detect capacitance frequency, and when the capacitance frequency is detected, the relay is controlled to be disconnected, so that a channel between the plug bush and a wiring terminal is disconnected, and at the moment, the plug bush is not electrified so as to achieve the anti-electric shock effect; when the change of the capacitance frequency cannot be detected, the plug bush is connected with the wiring terminal through the relay to realize power supply.

Further, the electric shock prevention socket can be a two-plug socket or a three-plug socket, the plug bush is provided with a live wire plug bush 310 and a neutral wire plug bush 320, and when the electric shock prevention socket is the three-plug socket, the plug bush is also provided with a bottom wire plug bush. The connecting terminal is provided with a live wire connecting terminal 410, a zero wire connecting terminal 420 and a ground wire connecting terminal.

The relay is disposed between the live wire plug sleeve 310 and the live wire terminal 410 to control the on/off state of the current. The technical effect of preventing electric shock is achieved by adopting the wire circuit of the control live wire plug bush 310.

Further, a sensing metal plate 20 is disposed between the neutral and live wire plugs 320 and 310 to detect a capacitance change through the sensing metal plate 20.

In this embodiment, the inserting sleeve is located inside the sensing region of the sensing metal sheet 20, and the specific setting distance between the inserting sleeve and the sensing metal sheet 20 may be adaptively adjusted.

As shown in fig. 1 to 6, the electric shock prevention socket further includes a power module 70, and the power module 70 is used for supplying power to the relay and the capacitance sensing module.

Specifically, a power module 70 is installed inside the housing 10, and the power module 70 is used for providing power to realize the normal operation of the relay and the capacitive sensing chip 50.

Further, the anti-electric shock socket further includes a switch 60 and a protection door 80, the switch 60 is disposed between the capacitive sensing module and the power module 70, the switch 60 is used for controlling whether the power module 70 supplies power to the capacitive sensing module, the protection door 80 is movably disposed on the housing 10, and the protection door 80 is used for triggering the switch 60.

Wherein, the shutter 80 of this application and the shutter 80 difference on traditional socket lie in, the shutter 80 of this application not only has the technological effect who shelters from jack 120, and shutter 80 movable mounting of this application is on casing 10, and after the inside of jack 120 was inserted to the plug, shutter 80 removed dodges jack 120 and triggers switch 60 simultaneously to make response sheetmetal 20 begin to respond to.

As shown in fig. 1 to 6, the protection door 80 includes a shielding portion 820 and an elastic portion 810, the shielding portion 820 is slidably connected to the housing 10, the shielding portion 820 shields or avoids the insertion hole 120 on the housing 10, one end of the elastic portion 810 is connected to the housing 10, the other end of the elastic portion 810 is connected to the shielding portion 820, and the elastic portion 810 provides a driving force for the shielding portion 820 to be located at a position where the insertion hole 120 is shielded.

Specifically, the shielding portion 820 is used for shielding the jack 120, the shielding portion 820 may be a shielding plate, a shielding slider, or the like, so as to be capable of moving under the driving of the plug, when the shielding portion 820 is shielded from the jack 120, the elastic portion 810 elastically deforms, and at this time, the elastic portion 810 gives a driving force for the shielding portion 820 to return to the position of shielding the jack 120, so that after the plug is pulled out, the shielding portion 820 is driven by the elastic portion 810 to move to the position of shielding the jack 120.

Further, the elastic part 810 is a spring provided with at least one to enable the moving shutter 820 to move under the effect of the elastic force.

Further, the shielding portion 820 moves in position when receiving an external force, such as a pressing force of a plug, and the shielding portion 820 avoids the jack 120 by moving in position.

In the present embodiment, the following three embodiments are provided according to the difference in the structure of the blocking portion 820 avoiding the insertion hole 120.

In a specific implementation manner of the present embodiment, the shielding portion 820 has three sub shielding portions 820, and the three sub shielding portions 820 move to avoid the jack 120 under the driving of the plug.

In another specific implementation manner of this embodiment, the shielding portion 820 is an integral body, the shielding portion 820 is provided with an avoidance passage 821, and after the shielding portion 820 is driven by an external force to move, the avoidance passage 821 on the shielding portion 820 and the insertion holes 120 are communicated in a one-to-one alignment manner, so as to achieve avoidance of the insertion holes 120.

In another specific implementation manner of this embodiment, the shielding portion 820 is a whole, the shielding portion 820 is provided with an avoiding channel 821, when the shielding portion 820 avoids the insertion holes 120, the shielding portion 820 moves to avoid at least one of the insertion holes 120, and the avoiding channel 821 is aligned with at least another one of the insertion holes 120.

When the anti-electric-shock socket is a three-pin socket, the shell 10 is provided with a live wire jack corresponding to the live wire plug bush 310, a null wire jack corresponding to the null wire plug bush 320, and an earth wire jack, when the shielding portion 820 is moved by an external force, the shielding portion 820 avoids the live wire jack and the null wire jack, and the avoiding channel 821 on the shielding portion 820 is aligned with the earth wire jack to avoid the earth wire jack.

In the present embodiment, the switch 60 is a rocker switch, and the bottom surface of the protective door 80 is an abutment surface that abuts against the rocker switch to drive the displacement of the rocker switch or separates from the rocker switch. When the shielding portion 820 moves, the abutting surface on the shielding portion 820 moves and abuts against the switch 60, and the abutting surface drives the switch 60 to move, for example, drives the rocker switch to swing or move downwards, so as to realize the operation of the triggered capacitive sensing module.

It should be noted that, the power module 70, the switch 60, the capacitance sensing module, and the relay cooperate to realize an induction system, so that after the protection door 80 triggers the switch 60, the capacitance sensing module starts to sense the change of the capacitance frequency. The effect of electric shock prevention is achieved, and meanwhile, the power is saved.

As shown in fig. 1 to 6, the housing 10 includes a rear seat and a pressing plate 110, the wiring terminal is mounted on the rear seat, one end of the wiring terminal is electrically connected to the relay through a wire, the other end of the wiring terminal is used for connecting to an external cable, the pressing plate 110 is mounted on the rear seat, the pressing plate 110 and the rear seat cooperate to enclose an accommodating cavity, and the plug bush, the switch 60 of the electric shock preventing socket, the power module 70 of the electric shock preventing socket, the capacitance sensing module and the relay are all mounted inside the accommodating cavity; wherein, the pressing plate 110 has a plug hole 120, and the plug bush is disposed opposite to the plug hole 120.

Specifically, the wiring terminal has a conductive function, wherein one end of the wiring terminal is electrically connected with the relay, and the other end of the wiring terminal is connected with an external cable, so that the external cable supplies power to the socket.

Further, the plug bush, the switch 60 of the electric shock prevention socket, the power module 70 of the electric shock prevention socket, the capacitance sensing module and the relay are all installed on the circuit board 90, and the circuit board 90 is installed inside the accommodating cavity.

Further, the protection door 80 is movably disposed on the pressure plate 110, a first guide member is disposed on the pressure plate 110, and a second guide member is disposed on the blocking portion 820 of the protection door 80 of the electric shock preventing socket.

Wherein, be provided with via hole 111 on the casing 10, switch 60 sets up with via hole 111 counterpoint, and at least a part of switch 60 is stretched out by via hole 111 outwards, and protection door 80 keeps away face sliding connection with the outer of clamp plate 110, first guide and second guide sliding fit, and protection door 80's butt surface can realize driving switch 60 and push down or switch 60 rotates when protection door 80 slides.

Further, the shielding portion 820 is provided at a position aligned with the insertion hole 120 as an inclined surface so that the inclined surface can be driven to slide along the inner wall surface of the pressing plate 110 when the plug is inserted.

Further, one of the first guide member and the second guide member is a guide groove, and the other of the first guide member and the second guide member is a guide projection, and the guide projection is in sliding fit with the guide groove.

Example 2

The utility model also provides a row of inserting is provided with the protection against electric shock socket among a plurality of embodiments 1 on the row of inserting.

Specifically, the plurality of anti-electric-shock receptacles include a two-prong receptacle and/or a three-prong receptacle.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

according to the anti-electric-shock socket, the induction metal sheet 20 is arranged on one side of the plug bush, induction is realized through the induction metal sheet 20, after a human body inserts metal into the plug bush, the induction metal sheet 20 and the capacitance induction chip 50 are matched to carry out capacitance frequency detection, when the capacitance frequency is detected, the relay is controlled to be disconnected, so that the circuit between the plug bush and the wiring terminal is disconnected, and at the moment, the plug bush is not electrified so as to achieve the anti-electric-shock effect; when the change of the capacitance frequency cannot be detected, the plug bush and the wiring terminal are conducted through the relay to realize power supply.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An electric shock preventing socket, comprising:

a housing (10);

an insert mounted within the housing (10);

a relay disposed inside the housing (10);

the relay is arranged between the plug bush and the wiring terminal, and the plug bush and the wiring terminal are connected or disconnected through the relay;

the capacitance induction module is installed in the shell (10), the capacitance induction module at least comprises an induction metal sheet (20) and a capacitance induction chip (50), the induction metal sheet (20) is arranged on one side of the plug bush, and the capacitance induction chip (50) is electrically connected with the relay.

2. The shock resistant socket of claim 1 wherein said sleeve has a live sleeve (310) and a neutral sleeve (320), said sensing blade (20) being disposed between said neutral sleeve (320) and said live sleeve (310).

3. The anti-shock socket according to claim 1, wherein the plug housing has a live plug housing (310), the terminal has a live terminal (410), and the relay is disposed between the live plug housing (310) and the live terminal (410).

4. The electric shock protection socket of claim 1, further comprising:

a power module (70), wherein the power module (70) is used for supplying power to the relay and the capacitance induction module;

a switch (60), the switch (60) being disposed between the capacitive sensing module and the power supply module (70), the switch (60) being configured to control whether the power supply module (70) supplies power to the capacitive sensing module;

a protective door (80), wherein the protective door (80) is movably arranged on the shell (10), and the protective door (80) is used for triggering the switch (60).

5. An electric shock protection socket according to claim 4 wherein the protective door (80) comprises:

the shielding part (820) is connected with the shell (10) in a sliding mode, and the shielding part (820) shields or avoids the jack (120) on the shell (10);

one end of the elastic part (810) is connected with the shell (10), the other end of the elastic part (810) is connected with the shielding part (820), and the elastic part (810) provides driving force for the shielding part (820) at a position where the shielding part (820) shields the jack (120).

6. The anti-electric-shock socket according to claim 5, wherein an avoiding channel (821) is provided on the shielding portion (820), and when the shielding portion (820) avoids the insertion hole (120), the avoiding channel (821) is aligned with at least one insertion hole (120).

7. An electric shock protection socket according to claim 4, wherein the switch (60) is a rocker switch and the bottom surface of the protective door (80) is an abutment surface which abuts against the rocker switch and drives the displacement of the rocker switch or separates from the rocker switch.

8. An electric shock protection socket according to claim 4, wherein a through hole (111) is provided on the housing (10), the switch (60) is aligned with the through hole (111), and at least a part of the switch (60) protrudes from the through hole (111).

9. The electric shock protection socket according to any one of claims 1 to 8, wherein the housing (10) comprises:

the wiring terminal is mounted on the rear seat, one end of the wiring terminal is electrically connected with the relay through a wire, and the other end of the wiring terminal is used for being connected with an external cable;

the pressing plate (110) is mounted on the rear seat, the pressing plate (110) and the rear seat are matched to enclose an accommodating cavity, and the plug bush, the switch (60) of the electric shock prevention socket, the power module (70) of the electric shock prevention socket, the capacitance sensing module and the relay are mounted inside the accommodating cavity;

the pressing plate (110) is provided with a jack (120), and the plug bush and the jack (120) are arranged in an alignment mode.

10. The socket of claim 9, wherein the pressure plate (110) is provided with a first guide member, the shielding portion (820) of the protective door (80) of the socket is provided with a second guide member, one of the first guide member and the second guide member is a guide groove, and the other is a guide projection, and the guide projection is slidably engaged with the guide groove.

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